ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device
Published Jan 26, 2018
7.5
HIGHCVSS 3.0
EPSS 5.12%
Description
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation checking mechanisms in mbox.c during certain mail parsing functions of the ClamAV software. An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted email to the affected device. An exploit could trigger a NULL pointer dereference condition when ClamAV scans the malicious email, which may result in a DoS condition.
Affected products
- Vendor n/a Product ClamAV AntiVirus software versions 0.99.2 and prior Defaultn/a
- Version ClamAV AntiVirus software versions 0.99.2 and priorStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | ClamAV AntiVirus software versions 0.99.2 and prior | n/a |
|
Configuration 1
- 7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Dec 2, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (26 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.12% (0.05123) | 92.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.22% (0.05220) | 91.41th | v5 (v2026.06.15) |
| Jun 12, 2026 | 10.03% (0.10029) | 93.25th | v4 (v2025.03.14) |
| Mar 29, 2026 | 13.22% (0.13224) | 94.10th | v4 (v2025.03.14) |
| Dec 25, 2025 | 8.97% (0.08975) | 92.33th | v4 (v2025.03.14) |
| Dec 2, 2025 | 10.53% (0.10531) | 93.02th | v4 (v2025.03.14) |
| Nov 21, 2025 | 13.22% (0.13224) | 93.86th | v4 (v2025.03.14) |
| Oct 28, 2025 | 11.96% (0.11964) | 93.44th | v4 (v2025.03.14) |
| Oct 27, 2025 | 10.72% (0.10723) | 93.01th | v4 (v2025.03.14) |
| Oct 10, 2025 | 11.96% (0.11964) | 93.41th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.11% (0.09107) | 91.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.01% (0.16013) | 91.34th | v4 (v2025.03.14) |
| Mar 22, 2025 | 9.11% (0.09107) | 91.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.23% (0.10226) | 92.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.88% (0.00883) | 83.22th | v3 (v2023.03.01) |
| Mar 21, 2024 | 0.88% (0.00883) | 82.14th | v3 (v2023.03.01) |
| May 8, 2023 | 0.88% (0.00883) | 80.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.97% (0.00975) | 81.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v1 |
| Jan 6, 2022 | 1.94% (0.01943) | 47.92th | v1 |
| Sep 1, 2021 | 1.94% (0.01943) | 76.51th | v1 |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (5)
- http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html x_refsource_CONFIRMRelease NotesVendor Advisory
- https://bugzilla.clamav.net/show_bug.cgi?id=11945 x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/01/msg00035.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://usn.ubuntu.com/3550-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3550-2/ vendor-advisoryx_refsource_UBUNTU
| Link | Providers | Tags |
|---|---|---|
| http://blog.clamav.net/2018/01/clamav-0993-has-been-released.html | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://bugzilla.clamav.net/show_bug.cgi?id=11945 | x_refsource_CONFIRMExploitIssue TrackingVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/01/msg00035.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://usn.ubuntu.com/3550-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/3550-2/ | vendor-advisoryx_refsource_UBUNTU |
Change history (0)
No recorded changes yet.